55656313123 has 8 divisors (see below), whose sum is σ = 59645779488. Its totient is φ = 51797649024.

The previous prime is 55656313099. The next prime is 55656313133. The reversal of 55656313123 is 32131365655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55656313123 - 2¹⁷ = 55656182051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55656313133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32699686 + ... + 32701387.

It is an arithmetic number, because the mean of its divisors is an integer number (7455722436).

Almost surely, 2^55656313123 is an apocalyptic number.

55656313123 is a deficient number, since it is larger than the sum of its proper divisors (3989466365).

55656313123 is a wasteful number, since it uses less digits than its factorization.

55656313123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65401133.

The product of its digits is 243000, while the sum is 40.

Adding to 55656313123 its reverse (32131365655), we get a palindrome (87787678778).

The spelling of 55656313123 in words is "fifty-five billion, six hundred fifty-six million, three hundred thirteen thousand, one hundred twenty-three".